package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api("菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.error("新增菜品{}", dishDTO);

        dishService.saveWithFlavor(dishDTO);
//清除缓存
        String key="dish_"+dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();

    }


    @ApiOperation("菜品分页查询")
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询：", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);

        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("批量删除接口")
    public Result delete(@RequestParam List<Long> ids) {

        log.info("批量删除{}", ids);
        dishService.deleteBatch(ids);
//将所有的菜品缓存数据删除
        //把所有以dish_为开头的全部获取出来，然后删除
        cleanCache("dish_*");
        return Result.success();
    }

    @GetMapping("/{id}")//路径参数
    @ApiOperation("根据id查询数据用于回显")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询数据用于回显{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);

        return Result.success(dishVO);
    }


    @PutMapping
    @ApiOperation("修改菜品信息")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("要修改的菜品信息{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
//将所有的菜品缓存数据删除
        //把所有以dish_为开头的全部获取出来，然后删除
        cleanCache("dish_*");
        return Result.success();
    }



    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }


    @PostMapping("/status/{status}")
    @ApiOperation("启用禁用菜品")
    //start是路径参数，加注解，query是地址栏传参，不用加注解
    public Result startOrstop(@PathVariable Integer status,Long id){

        log.info("启用禁用菜品{}，{}",status,id);
        dishService.startOrstop(status,id);

        //将所有的菜品缓存数据删除
        //把所有以dish_为开头的全部获取出来，然后删除
        cleanCache("dish_*");

        return Result.success();
    }

    //将所有的菜品缓存数据删除
    //把所有以dish_为开头的全部获取出来，然后删除
    private void cleanCache(String patten){
        Set keys = redisTemplate.keys(patten);
        redisTemplate.delete(keys);
    }
}
